81798417

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{4261}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 124109440

約数和(自身を除く): 42311023

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 2133, 4261, 6399, 12783, 19197, 38349, 115047, 336619, 345141, 1009857, 1035423, 3029571, 9088713, 27266139, 81798417]

約数ペア:

[(1, 81798417), (3, 27266139), (9, 9088713), (27, 3029571), (79, 1035423), (81, 1009857), (237, 345141), (243, 336619), (711, 115047), (2133, 38349), (4261, 19197), (6399, 12783)]